3-Bromoiodobenzene
3-Bromoiodobenzene (CAS: 591-18-4, Formula: BrC6H4I) is a halogenated aromatic compound with a molecular weight of 282.90 g/mol. Supplied at 98% purity, it serves as a valuable building block in organic synthesis. This compound is particularly useful in the preparation of complex fluorinated organic molecules and oxygen-tethered enynes, finding applications in chemical research and material science development. Its unique disubstitution pattern offers versatility for further functionalisation.

Fluorinated Alkene Synthesis
3-Bromoiodobenzene is employed in the synthesis of specialized fluorinated alkenes. It has been documented for use in the preparation of 1-(3′-bromophenyl)-3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodec-1-ene and 1-(3′-bromophenyl)-3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooct-1-ene.
Oxygen-Tethered Enyne Preparation
This aryl halide acts as a precursor in the synthesis of oxygen-tethered 1,6-enynes. These structures are of interest in organic chemistry for their potential in developing new synthetic methodologies and complex molecular architectures.
Organic Building Block
As a dihalogenated benzene derivative, 3-Bromoiodobenzene functions as a versatile building block in diverse chemical synthesis pathways. Its differential halogen reactivity allows for selective functionalisation, enabling the construction of more elaborate organic molecules for research and development.
| Molecular weight | 282.90 |
|---|---|
| Linear formula | BrC6H4I |
| Assay | 98% |
| Boiling point | 120 °C/18 mmHg(lit.) |
| Density | 2.219 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.66(lit.) |
| Contains / stabiliser | copper as stabilizer |
| Melting point | −9.3-−9 °C(lit.) |
| Application | 3-Bromoiodobenzene has been used in the preparation of:• 1-(3′-bromophenyl)-3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodec-1-ene1• 1-(3′-bromophenyl)-3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooct-1-ene1• oxygen-tethered 1,6-enynes2 |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-Bromoiodobenzene used for?
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3-Bromoiodobenzene is used as a building block in organic synthesis, notably in the preparation of specific fluorinated alkenes and oxygen-tethered 1,6-enynes.
What are the CAS number and chemical formula for 3-Bromoiodobenzene?
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The CAS number is 591-18-4, and the chemical formula is BrC6H4I.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Bromoiodobenzene at a purity of 98%. This product is intended for laboratory and research use; TSS does not represent it as USP, BP, EP, or other pharmacopoeial grades.
What are the safety considerations when handling 3-Bromoiodobenzene?
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3-Bromoiodobenzene is classified with GHS07 symbol and a Warning signal word. It is associated with hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including eyeshields and gloves, and adequate ventilation are essential during handling. Always consult the Safety Data Sheet (SDS) before use.
Is 3-Bromoiodobenzene a controlled substance?
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The provided data does not indicate that 3-Bromoiodobenzene is a controlled substance.
How is 3-Bromoiodobenzene packed, shipped, or exported?
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Tech Serve Solutions complies with all relevant regulations for the packing, shipping, and exporting of chemical products to ensure safe and compliant delivery worldwide.
How can I request a quote or sample for 3-Bromoiodobenzene?
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To request a quote or a sample of 3-Bromoiodobenzene, please contact our sales team through the TSS website or by phone, providing your specific requirements and delivery details.
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